CN106610477A - Temperature collection device and method for battery module group - Google Patents
Temperature collection device and method for battery module group Download PDFInfo
- Publication number
- CN106610477A CN106610477A CN201611066705.9A CN201611066705A CN106610477A CN 106610477 A CN106610477 A CN 106610477A CN 201611066705 A CN201611066705 A CN 201611066705A CN 106610477 A CN106610477 A CN 106610477A
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- Prior art keywords
- temperature
- heat
- conducting plate
- temperature sensor
- battery modules
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
- G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
Abstract
The invention provides a temperature collection device and method for a battery module group, and the battery module group comprises a plurality of cells. Thermal conducting plates are respectively disposed between two adjacent cells. The temperature collection device comprises a plurality of temperature sensors, and the plurality of temperature sensors are installed on one or more thermal conducting plates in the battery module group, and are used for detecting the temperature of parts between adjacent cells. The device also comprises a temperature collection module, and the temperature collection module is connected with the plurality of temperature sensors and obtains the temperature data measured by the plurality of temperature sensors. The device can precisely obtain the temperature data of each part in the battery module group, provides a theoretical basis for the structure optimization of the battery module group and a battery box, and also can provide test data support for the design of a battery heat pipe.
Description
Technical field
The present invention relates to temperature acquisition technical field, more particularly to a kind of battery modules temperature collecting device, method.
Background technology
Electrokinetic cell is whole power resources of electric automobile, and the performance of electrokinetic cell governs the dynamic property of electric automobile
Energy.When electrokinetic cell is researched and developed, need accurately to obtain the temperature conditionss inside battery modules under various operating modes such that it is able to excellent
Electrochemical cell modular structure so as to which heterogeneity phantom is uniform, it is ensured that battery modules have more excellent charge-discharge characteristic and cycle life.
In prior art, in order to obtain battery modules interior temperature distribution situation, generally using emulation and infrared thermometry
Two methods.
For the method for emulation, phantom is set up based on the experience of Simulation Engineering teacher, it is difficult to judge phantom
Accuracy, therefore there is larger error in Simulation result data, the very big error risk of presence for causing battery modules to be researched and developed.
For the method for infrared thermometry, it adopts infrared thermometer that battery modules are carried out with temperature survey, measurement knot
Fruit accuracy is high, but, when thermometric is carried out to battery modules, there is problems with：
Firstth, it is only limited to measure the temperature of battery modules outer surface, it is difficult to measure the temperature inside battery modules, that is, be difficult to
Temperature in measurement battery modules between each battery cell and each monomer；
Secondth, infrared thermometer is more sensitive to factors such as the dusts in ambient temperature and air, easily by this
The impact of a little factors, disturbs temperature-measuring results；
3rd, during infrared thermometer use, it is desirable to without any obstacle between infrared ray tester and testee
Thing, so, when battery modules are measured, in order to measure state of temperature of the battery modules under various operating modes, needs battery mould
Group is positioned in calorstat, and infrared thermometer is positioned over outside calorstat and cannot carry out thermometric, permanent when being positioned in calorstat
Incubator can be interfered to infrared thermometer again.
In view of this, the present invention provides a kind of temperature collecting device of battery modules, can either be positioned over battery modules
Measure in calorstat, the temperature of battery modules inside each position can be accurately obtained again, to optimize battery modules guarantor is provided
Barrier.
The content of the invention
It is an object of the invention to provide a kind of temperature collecting device of battery modules, by may be provided inside battery modules
Temperature sensor on heat-conducting plate, detects the temperature inside battery modules, and by temperature collect module by the temperature of each position
Degree is acquired.It is a further object to provide a kind of temperature acquisition method of battery modules.
The invention provides a kind of temperature collecting device of battery modules, the battery modules include multiple battery cells,
Heat-conducting plate is provided between two neighboring battery cell, the temperature collecting device includes：
Multiple temperature sensors, the plurality of temperature sensor is arranged on one or more institutes inside the battery modules
Heat-conducting plate is stated, for detecting the temperature between the two neighboring battery cell at position；With
Temperature collect module, the temperature collect module is connected with the plurality of temperature sensor, obtains each temperature
The temperature data that degree sensor is measured.
Alternatively, the heat-conducting plate opens up multiple grooves, and the groove is along the battery cell orientation through described
The lead of two surfaces of heat-conducting plate, the temperature sensor and the temperature sensor is fixed in the groove, and institute
State the gap between temperature sensor and the groove, the gap between the lead and the groove and the heat-conducting plate with
Heat conductive silica gel is filled between the adjacent battery cell.
Alternatively, the battery modules are divided into five sections, including two ends along the battery cell orientation
Section, a central section and two are located at respectively the first section between the end section and the central section；
Spacing between first section, the two neighboring described heat-conducting plate that is provided with the temperature sensor
For the first spacing, positioned at the end section and central section, two neighboring described leading of being provided with the temperature sensor
Spacing between hot plate is the second spacing, and described second is smaller than first spacing.
Alternatively, multiple temperature sensors are evenly distributed on the heat-conducting plate, and wherein at least includes being arranged on leaning on
Temperature sensor at the lug of the nearly battery cell and at the middle part lateral cross section position of the battery cell.
Alternatively, the temperature sensor is PTC thermistor, and a binding post of the PTC thermistor welds one
Root shielding line, used as positive wire, another binding post welds two shielding lines, and two wires are respectively as negative wire
And compensating lead wire, also, two binding posts of the PTC thermistor wind metal copper wire, for the shielding wire bonding
Connect.
The present invention also provides a kind of temperature acquisition method of battery modules, described for gathering the temperature in battery modules
Temperature acquisition method comprises the steps：
S1, one or more heat-conducting plates by multiple temperature sensors inside the battery modules, for detecting
Temperature between the two neighboring battery cell at position；
S2, connection temperature collect module and the temperature sensor, detect for gathering each described temperature sensor
Temperature data at each position.
Alternatively, the heat-conducting plate opens up multiple grooves, and the groove is along the battery cell orientation through described
The lead of two surfaces of heat-conducting plate, the temperature sensor and the temperature sensor is fixed in the groove, and institute
State the gap between temperature sensor and the groove, the gap between the lead and the groove and the heat-conducting plate with
Heat conductive silica gel is filled between the adjacent battery cell.
Alternatively, the battery modules are divided into five sections, including two ends along the battery cell orientation
Section, central section and two are located at respectively the first section between the end section and the central section；
Spacing between first section, the two neighboring described heat-conducting plate that is provided with the temperature sensor
For the first spacing, positioned at the end regions and central region, two neighboring described leading of being provided with the temperature sensor
Spacing between hot plate is the second spacing, and described second is smaller than first spacing.
Alternatively, multiple temperature sensors are evenly distributed on the heat-conducting plate, and wherein at least includes being arranged on leaning on
Temperature sensor at the lug of the nearly battery cell and at the middle part lateral cross section position of the battery cell.
Alternatively, the temperature sensor is PTC thermistor, and a binding post of the PTC thermistor welds one
Root shielding line, used as positive wire, another binding post welds two shielding lines, and two wires are respectively as negative wire
And compensating lead wire, also, two binding posts of the PTC thermistor wind metal copper wire, for the shielding wire bonding
Connect.
Description of the drawings
The following drawings only does schematic illustration and explanation to the present invention, not delimit the scope of the invention.
Fig. 1 is the distribution position of the heat-conducting plate for being provided with temperature sensor in battery modules of specific embodiment in the present invention
Put.
Fig. 2 is that temperature sensor is arranged in the structure of heat-conducting plate and shows in the temperature collecting device of specific embodiment in the present invention
It is intended to.
Fig. 3 is the structural representation of the temperature sensor of specific embodiment in the present invention.
Fig. 4 is the structural representation of the temperature collecting device of the battery modules of specific embodiment in the present invention.
Fig. 5 is the flow chart of the temperature acquisition method of specific embodiment in the present invention.
Label declaration
10 battery modules；
11 battery cells；
111 lugs；
12 heat-conducting plates；
121 grooves；
1D end sections；
2D central sections；
The sections of 3D first；
The spacing of L1 first；
The spacing of L2 second；
20 temperature collecting devices；
21 temperature sensors；
211 binding posts；
212 positive wires；
213 negative wires；
214 compensating lead wires；
215 copper wires
22 temperature collect modules；
23 PC terminals；
24 DC sources；
30 calorstats.
Specific embodiment
In order to be more clearly understood to the technical characteristic invented, purpose and effect, now control description of the drawings is of the invention
Specific embodiment, in the various figures identical label represent identical part.
Herein, " schematic " expression " serving as example, example or explanation ", will should not be described herein as " showing
Any diagram of meaning property ", embodiment are construed to a kind of preferred or more advantageous technical scheme.
To make simplified form, part related to the present invention is only schematically show in each figure, and do not represent it
As the practical structures of product.In addition, so that simplified form is readily appreciated, the portion with identical structure or function in some figures
Part, only symbolically depicts one of those, or has only marked one of those.
The inside temperature measurement of battery modules 10 difficulty, precision are low in order to solve the problems, such as prior art, and the present invention is provided
The temperature collecting device 20 and method of a kind of battery modules 10, by the way that the temperature sensor 21 of the temperature collecting device 20 is pacified
It is mounted on heat-conducting plate 12, detects the temperature at position between two neighboring battery cell 11, then is obtained by temperature collect module 22
The temperature data at each position is taken, can be battery modules 10 and battery so as to the temperature for accurately easily gathering inside battery
The structure optimization of case provides theoretical foundation, can also provide test data support for battery thermal line of reasoning design.
In new-energy automobile, main power resources are provided by battery.Temperature of the battery modules 10 under each operating mode point
Cloth situation has great importance to optimizing battery structure, battery thermal management.And battery modules 10 include multiple battery cells 11,
Battery cell 11 is arranged in order along the length direction of battery modules 10, also, is provided between two neighboring battery cell 11
Heat-conducting plate 12.In the R＆D process of battery modules 10, needing that battery modules 10 are positioned in calorstat 30 carries out temperature survey.
With reference to shown in Fig. 1 and Fig. 2, a kind of harvester of battery modules 10 that the present invention is provided, the temperature collecting device
20 include：
Multiple temperature sensors 21, multiple temperature sensors 21 are arranged on one or more heat conduction inside battery modules 10
Plate 12, for detecting the temperature between two neighboring battery cell 11 at position；With
Temperature collect module 22, temperature collect module 22 is connected with multiple temperature sensors 21, obtains each temperature sensing
The temperature data that device 21 is measured.
Between two adjacent cell monomers 11 being arranged on inside battery modules 10 due to heat-conducting plate 12, its present position can
Represent the integrated temperature of the inside corresponding position of battery modules 10.Along the length direction of battery modules 10, choose successively one or
The multiple heat-conducting plates 12 of person as collecting temperature position, the multiple temperature sensors 21 in the temperature collecting device 20 be arranged on lead
On hot plate 12, so as to be stably mounted inside battery modules 10.
Be arranged such, by the heat-conducting plate 12 with reference to battery modules 10 it is simple and convenient solve the inside of battery modules 10 temperature
The difficulty of degree collection, it is affected not by the disturbing of external environment, not by the couveuse outside tested battery modules 10, not only effectively
The detection internal temperature of battery modules 10 is realized, and, improve the precision of detection.
Also, by above-mentioned temperature collecting device 20, additionally it is possible to realize the accurate detection to temperature at specified position,
It is workable.
Temperature sensor 21 is connected with temperature collect module 22, and by temperature collect module 22 each temperature sensor 21 is obtained
The temperature data for measuring, is collected to temperature data, for further by temperature data be applied to battery research and development in.
As shown in Fig. 2 opening up multiple grooves 121 being provided with heat-conducting plate 12, the groove 121 is arranged along battery cell 11
Direction can so connect the both sides space of heat-conducting plate 12 through two surfaces of heat-conducting plate 12.Temperature sensor 21 and temperature are passed
The lead of sensor 21 is fixed in groove 121, on the one hand, can be consolidated temperature sensor 21 and lead by the groove 121
It is scheduled on heat-conducting plate 12, it is ensured that the stability of position；On the other hand, it is by the groove 121 that temperature sensor 21 and lead is pre-
It is embedded in shadow of the thickness that temperature sensor 21 can be reduced in heat-conducting plate 12 to entire length in the anabolic process of battery modules 10
Ring.
Also, the gap between temperature sensor 21 and groove 121, the gap between lead and groove 121 and heat conduction
Heat conductive silica gel is filled between plate 12 and adjacent battery cell 11, for lifting the steadiness connected between all parts, together
When, the heat between battery cell 11 and heat-conducting plate 12 can be transmitted.
As shown in figure 1, in a kind of specific embodiment, battery modules 10 are divided into five along the orientation of battery cell 11
Section, wherein, including two end sections 1D, central section 2D and two are respectively positioned at respective side end section 1D
The first section 3D between central section 2D.
Spacing between the first section 3D, the two neighboring heat-conducting plate 12 that is provided with temperature sensor 21 is first
Spacing L1, between end section 1D and central section 2D, the two neighboring heat-conducting plate 12 that is provided with temperature sensor 21
Spacing be the second spacing L2, wherein, the second spacing L2 be less than the first spacing L1.
That is, end section 1D, the central section 2D choosing on the length direction of battery modules 10, in battery modules 10
The second spacing L2 between the heat-conducting plate 12 of the mounting temperature sensor 21 for taking is less, the heat-conducting plate of its mounting temperature sensor 21
12 arrangement is more intensive, and the installation of the first section 3D between end section 1D and central section 2D of battery modules 10
The first spacing L1 between the heat-conducting plate 12 of temperature sensor 21 is larger, and it is installed in end section 1D and central section 2D relatively
Have a distribution situation of the heat-conducting plate 12 of temperature sensor 21, the heat-conducting plate 12 for being provided with temperature sensor 21 of the first section 3D compared with
For sparse, so as to can effectively obtain more accurate temperature data.
For distribution of the temperature sensor 21 on single heat conduction plate 12, specifically, multiple temperature sensors 21 uniformly divide
Cloth at least includes being positioned close at the lug 111 of battery cell 11 and battery cell 11 on heat-conducting plate 12
Temperature sensor 21 at the lateral cross section position of middle part, is obtained on optimizing the battery structure influential temperature data of tool with accurate.
In a kind of specific embodiment, as shown in Fig. 2 nine temperature sensors 21 are mounted with heat-conducting plate 12, uniformly
It is distributed on heat-conducting plate 12, at the lug 111 of battery cell 11, also three are arranged in heat-conducting plate 12 on three, top
At portion lateral cross section position, and other three on heat-conducting plate 12 according at lug 111, the temperature sensor of middle part cross-section
21 arrangement and carry out mounting arrangements so that nine temperature sensors 21 are evenly distributed on heat-conducting plate 12.
In a particular embodiment, temperature sensor 21 adopts PTC thermistor, and temperature is surveyed with improving temperature sensor 21
The response time of amount, and the PTC thermistor is little by environmental influence, can more accurately measure in battery modules 10
The temperature in portion.As shown in figure 3, a binding post 211 of PTC thermistor welds a shielding line, as positive wire 212；
Another binding post 211 welds two shielding lines, and two shielding lines lead to respectively as negative wire 213 and compensating lead wire 214
Crossing three of the wires can reduce impact of the circuitous resistance to measurement result, eliminate the measurement error brought by circuit.
Three shielding lines are fixed in groove 121, and draw heat-conducting plate 12, three leads of each temperature sensor 21
Label labelling is used, for indicating the position of test point, and positive wire 212, negative wire 213 and compensating lead wire is differentiated
214。
Metal copper wire 215 is wound on two binding posts 211 of PTC thermistor, by increasing capacitance it is possible to increase binding post 211 and screen
The fastness of wire bonding is covered, weld strength is improved.
For the temperature collecting device 20, can be found in shown in Fig. 4, also including PC terminals 23, the PC terminals 23 are adopted with temperature
Collection module 22 connects, and using the capture program of PC terminals 23 temperature data is recorded, for being called analysis when researching and developing battery.Temperature
Degree acquisition module 22 leads to DC source 24 and provides power supply, to guarantee the working condition of itself.
Thus, by the temperature collecting device 20, temperature sensor 21 directly measures the temperature inside battery modules 10, and
Temperature collect module 22 obtains the temperature that measures of each temperature sensor 21, and is transmitted to PC terminals 23 and is processed, and remembers
After record is preserved, for research and development application.
The temperature collecting device 20 solves the problems, such as that the temperature survey of battery modules 10 difficulty, precision are low in prior art,
Can not only the appearance of direct detection battery modules 10 temperature, the also temperature inside direct detection battery modules 10, not by outer
The interference of boundary's environmental condition, obstruct when not also being in calorstat 30 by tested battery modules 10 is affected, workable,
The temperature of detection is accurate.
The present invention additionally provides a kind of temperature acquisition method of battery modules 10 in addition to above-mentioned temperature collecting device 20,
By by the temperature acquisition method, temperature that can be between the two neighboring battery cell 11 of direct detection at position, and by temperature
Degree acquisition module 22 obtains the temperature data at each position, can be electricity so as to the temperature for accurately easily gathering inside battery
The structure optimization of pond module 10 and battery case provides theoretical foundation, can also provide test data for battery thermal line of reasoning design
Support.
Specifically, as shown in figure 5, the temperature acquisition method comprises the steps：
S1, one or more heat-conducting plates 12 by multiple temperature sensors 21 inside battery modules 10, for examining
Survey the temperature at position between two neighboring battery cell 11；
S2, connection temperature collect module 22 and temperature sensor 21, detect respectively for gathering each temperature sensor 21
Temperature data at individual position.
Between two adjacent cell monomers 11 being arranged on inside battery modules 10 due to heat-conducting plate 12, its present position can
Represent the integrated temperature of the inside corresponding position of battery modules 10.Along the length direction of battery modules 10, choose successively one or
The multiple heat-conducting plates 12 of person in the temperature acquisition method, multiple temperature sensors 21 are arranged on as the position of collecting temperature
On heat-conducting plate 12, so as to be stably mounted inside battery modules 10.
Battery modules 10 include multiple battery cells 11, and battery cell 11 is arranged successively along the length direction of battery modules 10
Row, also, heat-conducting plate 12 is provided between two neighboring battery cell 11.In the R＆D process of battery modules 10, need by
Battery modules 10 are positioned in calorstat 30 carries out temperature survey.
For the characteristic of above-mentioned battery modules 10, when entering the collection of trip temperature using above-mentioned temperature acquisition method, with reference to
The heat-conducting plate 12 of battery modules 10 is located between two battery cells 11 of battery modules 10, so as to consolidate temperature sensor 21
It is scheduled on its heat-conducting plate 11, so, the internal temperature of direct detection battery modules 10 that can be simple and convenient, it is by external environment
Interference, do not affected by the couveuse outside tested battery modules 10, not only effectively realize and detect the internal temperature of battery modules 10,
And, improve the precision of detection.
In addition, the temperature acquisition method of the battery modules 10 using said temperature harvester 20 to battery modules 10 inside
Temperature be acquired, for the temperature acquisition method other concrete technical schemes and corresponding technique effect can in the lump referring to
The elaboration of said temperature harvester 20, will not be described here.
Herein, " one " is not offered as being limited to the quantity of relevant portion of the present invention " only this ", and " one
It is individual " do not indicate that the situation of the quantity " more than one " for excluding relevant portion of the present invention.Herein, " on ", D score, " front ",
" afterwards ", "left", "right" etc. is only used for representing the relative position relation between relevant portion, and non-limiting these relevant portions is exhausted
To position.
Herein, " first ", " second " etc. are only used for mutual differentiation, rather than represent significance level and order and
Premise for existing each other etc..
Herein, the restriction on the mathematics and/or geometry meaning of " equal ", " identical " etc. and non-critical, also includes
It will be appreciated by those skilled in the art that and error that manufacture or use etc. permission.Unless otherwise stated, numerical value model herein
The gamut not only included in two end points is enclosed, also including being contained in some subranges therein.
It should be appreciated that the file being cited herein is only for reference be used, and not comprising it is any its may be with this paper's
Afoul content.
It should be understood that, although this specification is described according to each embodiment, but not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of description is only that for clarity those skilled in the art should
Using description as an entirety, the technical scheme in each embodiment can also Jing it is appropriately combined, form people in the art
The understandable other embodiment of member.
The a series of detailed description of those listed above is only for the feasibility embodiment of the present invention specifically
It is bright, and and be not used to limit the scope of the invention, all equivalent embodiments made without departing from skill spirit of the present invention or
Combination, segmentation or the repetition of change, such as feature, should be included within the scope of the present invention.
Claims (10)
1. a kind of temperature collecting device of battery modules, the battery modules (10) include multiple battery cells (11), adjacent two
Heat-conducting plate (12) is provided between individual battery cell (11), it is characterised in that the temperature collecting device (20) includes：
Multiple temperature sensors (21), the plurality of temperature sensor (21) is installed in internal one of the battery modules (10)
Or multiple heat-conducting plates (12), for detecting the temperature between the two neighboring battery cell (11) at position；With
Temperature collect module (22), the temperature collect module (22) is connected with the plurality of temperature sensor (21), obtains each
The temperature data that the individual temperature sensor (21) measures.
2. temperature collecting device as claimed in claim 1, it is characterised in that the heat-conducting plate (12) opens up multiple grooves
(121), the groove (121) runs through two surfaces of the heat-conducting plate (12), institute along the battery cell (11) orientation
The lead for stating temperature sensor (21) and the temperature sensor (21) is fixed in the groove (121), and the temperature
Gap between gap, the lead between sensor (21) and the groove (121) and the groove (121) and described
Heat conductive silica gel is filled between heat-conducting plate (12) and the adjacent battery cell (11).
3. temperature collecting device as claimed in claim 1, it is characterised in that the battery modules (10) are along the battery cell
(11) orientation is divided into five sections, including two end sections (1D), a central section (2D) and two difference positions
The first section (3D) between the end section (1D) and the central section (2D)；
Positioned at first section (3D), the two neighboring described heat-conducting plate (12) that is provided with the temperature sensor (21) it
Between spacing be the first spacing (L1), positioned at the end section (1D) and central section (2D), the temperature biography is installed
Spacing between the two neighboring described heat-conducting plate (12) of sensor (21) is the second spacing (L2), and second spacing (L2) is less than
First spacing (L1).
4. temperature collecting device as claimed in claim 1, it is characterised in that multiple temperature sensors (21) are uniformly distributed
On the heat-conducting plate (12), wherein at least includes being positioned close to lug (111) place, the Yi Jisuo of the battery cell (11)
State the temperature sensor (21) at the middle part lateral cross section position of battery cell (11).
5. temperature collecting device as claimed in claim 1, it is characterised in that the temperature sensor (21) is PTC temperature-sensitives electricity
Resistance a, binding post (211) of the PTC thermistor welds a shielding line, and used as positive wire (212), another connects
Terminal (211) weld two shielding lines, two wires respectively as negative wire (213) and compensating lead wire (214), and
And, two binding posts (211) of the PTC thermistor wind metal copper wire (215), for the shielding wire bonding.
6. a kind of temperature acquisition method of battery modules, for gathering the temperature in battery modules (10), it is characterised in that described
Temperature acquisition method comprises the steps：
S1, one or more heat-conducting plates (12) by multiple temperature sensors (21) inside the battery modules (10),
For detecting the temperature between the two neighboring battery cell (11) at position；
S2, connection temperature collect module (22) and the temperature sensor (21), for gathering each temperature sensor
(21) temperature data at each position is detected.
7. temperature acquisition method as claimed in claim 6, it is characterised in that the heat-conducting plate (12) opens up multiple grooves
(121), the groove (121) runs through two surfaces of the heat-conducting plate (12), institute along the battery cell (11) orientation
The lead for stating temperature sensor (21) and the temperature sensor (21) is fixed in the groove (121), and the temperature
Gap between gap, the lead between sensor (21) and the groove (121) and the groove (121) and described
Heat conductive silica gel is filled between heat-conducting plate (12) and the adjacent battery cell (11).
8. temperature acquisition method as claimed in claim 6, it is characterised in that the battery modules (10) are along the battery cell
(11) orientation is divided into five sections, including two end sections (1D), central section (2D) and two are located at respectively institute
State the first section (3D) between end section (1D) and the central section (2D)；
Positioned at first section (3D), the two neighboring described heat-conducting plate (12) that is provided with the temperature sensor (21) it
Between spacing be the first spacing (L1), positioned at the end regions and central region, the temperature sensor (21) is installed
Two neighboring described heat-conducting plate (12) between spacing be the second spacing (L2), second spacing (L2) be less than described first
Spacing (L1).
9. temperature acquisition method as claimed in claim 6, it is characterised in that multiple temperature sensors (21) are uniformly distributed
On the heat-conducting plate (12), wherein at least includes being positioned close to lug (111) place, the Yi Jisuo of the battery cell (11)
State the temperature sensor (21) at the middle part lateral cross section position of battery cell (11).
10. temperature acquisition method as claimed in claim 6, it is characterised in that the temperature sensor (21) is PTC temperature-sensitives electricity
Resistance a, binding post (211) of the PTC thermistor welds a shielding line, and used as positive wire (212), another connects
Terminal (211) weld two shielding lines, two wires respectively as negative wire (213) and compensating lead wire (214), and
And, two binding posts (211) of the PTC thermistor wind metal copper wire (215), for the shielding wire bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066705.9A CN106610477A (en) | 2016-11-29 | 2016-11-29 | Temperature collection device and method for battery module group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611066705.9A CN106610477A (en) | 2016-11-29 | 2016-11-29 | Temperature collection device and method for battery module group |
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| CN106610477A true CN106610477A (en) | 2017-05-03 |
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Cited By (6)
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| CN108110353A (en) * | 2017-12-14 | 2018-06-01 | 成都隆航科技有限公司 | A kind of temperature acquisition system used in battery pack |
| CN108134149A (en) * | 2018-02-06 | 2018-06-08 | 华霆（合肥）动力技术有限公司 | Battery modules and battery management system |
| CN108181019A (en) * | 2018-01-15 | 2018-06-19 | 惠州亿纬锂能股份有限公司 | A kind of test method of battery overcharge maximum temperature |
| CN109188286A (en) * | 2018-08-06 | 2019-01-11 | 北京长城华冠汽车科技股份有限公司 | A kind of determination method and device of battery system temperature difference influence factor |
| CN110118617A (en) * | 2019-05-30 | 2019-08-13 | 上海元城汽车技术有限公司 | The internal temperature of battery modules determines method, apparatus and intelligent terminal |
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